| 11. | The mine used a spider pressure plate that makes it resistant to blast overpressure.
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| 12. | After an overpressure was required, and a section of tunnel was sealed off.
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| 13. | The piston lifts in proportion to the overpressure.
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| 14. | In space, there is ( virtually ) no medium for an overpressure wave.
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| 15. | They were rebuilt once during its short career, the boiler overpressure being changed.
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| 16. | A high pressure relief valve provided overpressure protection to the hydraulic system and relieved at.
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| 17. | Besides enhanced penetration capabilities, these overpressure variants offer a flatter trajectory and lessened recoil.
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| 18. | This " overpressure profile " is known as an N-wave because of its shape.
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| 19. | Excess gas is dumped to the environment through the overpressure valve after the bellows is full.
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| 20. | To preserve its outer form, a slight overpressure of about is maintained within the hull.
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